{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-30837", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-05T21:06:44.606Z", "datePublished": "2026-03-10T20:12:14.627Z", "dateUpdated": "2026-03-11T15:33:53.271Z"}, "containers": {"cna": {"title": "Elysia has a string URL format redos", "problemTypes": [{"descriptions": [{"cweId": "CWE-1333", "lang": "en", "description": "CWE-1333: Inefficient Regular Expression Complexity", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/elysiajs/elysia/security/advisories/GHSA-f45g-68q3-5w8x", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/elysiajs/elysia/security/advisories/GHSA-f45g-68q3-5w8x"}, {"name": "https://github.com/EdamAme-x/elysia-poc-redos", "tags": ["x_refsource_MISC"], "url": "https://github.com/EdamAme-x/elysia-poc-redos"}], "affected": [{"vendor": "elysiajs", "product": "elysia", "versions": [{"version": "< 1.4.26", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-10T20:12:14.627Z"}, "descriptions": [{"lang": "en", "value": "Elysia is a Typescript framework for request validation, type inference, OpenAPI documentation and client-server communication. Prior to 1.4.26 , t.String({ format: 'url' }) is vulnerable to ReDoS. Repeating a partial url format (protocol and hostname) multiple times cause regex to slow down significantly. This vulnerability is fixed in 1.4.26."}], "source": {"advisory": "GHSA-f45g-68q3-5w8x", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-11T15:32:36.602461Z", "id": "CVE-2026-30837", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-11T15:33:53.271Z"}}]}}

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